54937820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 136553760

約数和(自身を除く): 81615940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 919, 980, 1220, 1708, 1838, 2135, 2989, 3676, 4270, 4595, 5978, 6433, 8540, 9190, 11956, 12866, 14945, 18380, 25732, 29890, 32165, 45031, 56059, 59780, 64330, 90062, 112118, 128660, 180124, 224236, 225155, 280295, 392413, 450310, 560590, 784826, 900620, 1121180, 1569652, 1962065, 2746891, 3924130, 5493782, 7848260, 10987564, 13734455, 27468910, 54937820]

約数ペア:

[(1, 54937820), (2, 27468910), (4, 13734455), (5, 10987564), (7, 7848260), (10, 5493782), (14, 3924130), (20, 2746891), (28, 1962065), (35, 1569652), (49, 1121180), (61, 900620), (70, 784826), (98, 560590), (122, 450310), (140, 392413), (196, 280295), (244, 225155), (245, 224236), (305, 180124), (427, 128660), (490, 112118), (610, 90062), (854, 64330), (919, 59780), (980, 56059), (1220, 45031), (1708, 32165), (1838, 29890), (2135, 25732), (2989, 18380), (3676, 14945), (4270, 12866), (4595, 11956), (5978, 9190), (6433, 8540)]